The sock that made a name for itself from the Pacific Crest Trail to the AT. "Must pack" durability meets undeniable comfort in this Full Cushion sock by DARN TOUGH that absorbs the rigors of the trail. Details A performance fit means no slipping, no bunching, no blisters for peak hiking comfort. Every toe seam is closed using a True Seamless Toe technology for an ultra smooth, undetectable feel. Reinforced footbed and Achilles cushion improves the comfort of the socks and helps them last longer. Merino Wool is at home on the trail, naturally moving moisture to keep feet fresh and dry in all weather. The all-season weight, midweight socks thermoregulate to wrap feet in steady comfort when temperatures change.